Update test.yml

updated  actions/checkout to v4

Author: mosfet80

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
   build:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup MSBuild (vswhere-path)
       id: setup_msbuild_explicit
@@ -66,4 +66,4 @@ jobs:
         echo "Fallback: ${{ steps.setup_msbuild_fallback.outputs.msbuildPath }}"
 
     - name: echo MSBuild
-      run: msbuild -version
+      run: msbuild -version